Exoplanet
TOI-421 c
243.95 light-years
- Discovery
- Transit · 2020
- Radius
- 5.09 (+0.07 / −0.07) Earth radii
- Mass
- 14.1 (+1.4 / −1.4) Earth masses
- Orbital period
- 16.0675 (+4 × 10⁻⁶ / −4 × 10⁻⁶) days
- Semi-major axis
- 0.117 (+1.8 × 10⁻³ / −1.8 × 10⁻³) AU
- Equilibrium temperature
- 635 (+9 / −9) K
- Mass provenance
- Mass
Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.
NASA archive record and references ↗
Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00